Executorsクラスで繰り返し

端末起動時にサービスを実行：タイマーで繰り返しの記事の一部を修正

package com.my.android.test;

import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.util.Log;

public class MainService extends Service {
 private Timer timer;
 private ScheduledExecutorService service;
 @Override
 public IBinder onBind(Intent intent) {
  // TODO Auto-generated method stub
  return null;
 }
 @Override
   public void onCreate() {
     super.onCreate();
     Log.d("TAG", "onCreate");
   }
 @Override
 //onStartは2.0以降は非推奨でonStartCommandを使うことが推奨されている
 //public void onStart(Intent intent, int startId) {
 public int onStartCommand(Intent intent, int flags, int startId) {
  
  final Handler handler = new Handler();
  service = Executors.newSingleThreadScheduledExecutor();
  service.scheduleAtFixedRate( new TimerTask() {
   @Override
   public void run() {
    handler.post(new Runnable() {
     public void run() {
       Log.d("TAG", "onStartCommand");
     }
    });
   }
  }, 1000, 3000, TimeUnit.MILLISECONDS);//遅延、3秒間隔、単位時間
  //super.onStart(intent, startId);
  return START_STICKY;
 }
 @Override
   public void onDestroy() {
     super.onDestroy();
     if(timer != null){
       timer.cancel();
     }
     Log.d("TAG", "onDestroy");
   }

}